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Updated: Jun 16, 2025

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
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Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

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在室温下,量子点和介电微盘之间存在强烈的合

Zhen Zhen, Jie Ren, Xingsheng Xu

    Optics express
    |June 14, 2025
    PubMed
    概括

    研究人员在室温下实现了量子点和光学微腔之间的强合. 这一光学物理学的突破利用了一种新的混合折射率结构来增强光物相互作用.

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    相关概念视频

    Van der Waals Interactions01:24

    Van der Waals Interactions

    Atoms and molecules interact with each other through intermolecular forces. These electrostatic forces arise from attractive or repulsive interactions between particles with permanent, partial, or temporary charges. The intermolecular forces between neutral atoms and molecules are ion–dipole, dipole–dipole, and dispersion forces, collectively known as van der Waals forces.
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    Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)01:22

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    Vicinal or three-bond coupling is commonly observed between protons attached to adjacent carbons. Here, nuclear spin information is primarily transferred via electron spin interactions between adjacent C‑H bond orbitals. This generally favors the antiparallel arrangement of spins, so 3J values are usually positive.
    The extent of coupling depends on the C‑C bond length, the two H‑C‑C angles, any electron-withdrawing substituents, and the dihedral angle between the...
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